Study on applying optimal path to land valuation

As an important role in the urban land price syst em , the basic land price appraisal directs and reflects all kinds of land price in the real estate market. Using geographic information systems (GIS) with algorit hms and powerful analysis functions to valuate land will improve the rationality and convenience of land valuation. The objective of the study on basic land pri ce using the optimal path algorithm is to decrease the man-made error, enhance automatization, avoid make inconvenience by roadblock object.